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How can you calculate the flow of FD fan and motor power when you know fan speed and impeller diameter?

times by 2


How do you calculate i have 1.5tonac 1refrigerator of 210 liter 1 lcd tv 8 tubelight 5 fan?

The answer will depend on what it is that you want to calculate.


Who is Bridgit Mendler's biggest fan?

It is impossible to say who is he biggest fan. Many may claim it but there is no way to prove or calculate who that person may be.


How the speed of pedestal fan can be verified?

The speed of a pedestal fan can be verified by using a tachometer to measure the revolutions per minute (RPM) of the fan blades. Alternatively, you can use a stopwatch to time how long it takes for a point on the fan blade to complete a full rotation. This can then be used to calculate the RPM of the fan.


How do you calculate fan efficiency?

Basically you can't The whole point in a fan is the inefficiency that is used to push the air forward, the only efficient type of fan you could find would be the propeller of an aircraft, this is the most efficient form of fan that moves huge volumes of air with minimal energy input.


How you calculate ups backup time for 4 fan?

For the backup time for 4 fans. First we required battery AH (battery amper) and battery volts & and and ups ratings. then we calculate back time .


How do you calculate the speed in RPM of a fan and consequently the motor power required if you know the wind velocity you need to generate especially when you're uninterested in fan blade design?

You can get a lower limit of the power, by calculating the kinetic energy of the moving air.Note 1: You don't actually need to calculate the rpm of the fan, if it's only the power that interests you.Note 2: The real power will probably be higher, since devices are usually not 100% efficient.


If 3 ounce weight is on a 15 inch fan rotating at 900 rpm so What is the force on the fan blade in pounds?

To calculate the force on the fan blade, we first convert the weight from ounces to pounds (3 ounces = 0.1875 pounds). Then, we use the formula: force (in pounds) = weight (in pounds) x radius (in feet) x angular velocity squared (in rad/s). Given the radius of 15 inches (convert to feet by dividing by 12), and an angular velocity of 900 rpm (convert to rad/s by multiplying by 2π/60), we can calculate the force on the fan blade.


What is Fan-in and Fan-out with reference to program structure?

fan in fan out


When was Fan of a Fan created?

Fan of a Fan was created on 2010-05-17.


How much electricity does it cost to run a small room fan?

Running a small room fan typically costs around 1-2 cents per hour, depending on the fan's wattage and the electricity rate in your area. To calculate the exact cost, you can check the fan's wattage rating and multiply it by the number of hours you plan to run it, then divide by 1000 to get the kilowatt-hour usage and multiply by your electricity rate.


Do you have to have a fan on your laptop if it has a fan built in?

It is upto your choice to have a fan in addition to built in fan.